TM 5-6115-434-12
(2)
Cleaning and Inspection.
(a)
Clean panel assembly with filtered compressed air or wipe with a clean rag moistened with an
approved cleaning solvent. Clean receptacle with filtered compressed air or an electricians brush.
(b)
Visually inspect panel for corrosion, cracks, damaged threads or other evidence of damage.
(3)
Test. If either the 400 Hz main contactor trip indicator lamp (fig. 2-20) or the 60 Hz load contactor trip
indicator lamp illuminates and 60 Hz or 400 Hz power is lost, reset the 400 Hz main contactor switch or the 60 Hz load
Contactor switch, as applicable. If the system trip indicator lamp again illuminates and power is lost, the protective panel
for the applicable system has failed.
Note
If upon resetting either the 60 Hz load contactor switch or the 400 Hz main contactor switch, the
system ammeter pegs full scale, check for short circuit or overload condition in system.
(4)
Installation. Install in reverse order of removal procedure.
e.
Relay (K10).
(1)
Removal. Tag and disconnect electrical connections to relay. Remove four screws and eight washers.
Remove relay.
(2)
Cleaning and inspection.
(a)
Clean relay with filtered compressed air or wipe with a clean rag moistened with an approved
cleaning solvent.,
(b)
Visually inspect relay for corrosion, cracks, damaged threads or other evidence of damage.
(3)
Installation. Install in reverse order of removal procedures.
f.
Relay (KI2).
(1)
Removal. Tag and disconnect electrical connections to relay. Remove four screws and eight washers.
Remove relay.
(2)
Cleaning and inspection.
(a)
Clean relay with filtered compressed air'or wipe with a clean rag moistened with an approved
cleaning solvent.
(b)
Visually inspect relay for corrosion, cracks, damaged threads or other evidence of damage.
(3)
Installation. Install in reverse order of removal procedure.
g.
Relay (K13).
(1)
Removal. Tag and disconnect electrical connections to relay. Remove four nuts, sixteen washers and four
screws. Remove relay.
(2)
Cleaning and inspection.
(a)
Clean relay with filtered compressed air or wipe with a clean rag moistened with an approved
cleaning solvent.
(b)
Visually inspect relay for corrosion, cracks, damaged threads or other evidence of damage.
(3)
Installation. Install in reverse order of removal procedure.
h.
Relay (K15).
(1)
Removal. Tag and disconnect electrical connections to relay. Remove four nuts sixteen washers, and four
screws. Remove relay.
(2)
Cleaning and inspection.
(a)
Clean relay with filtered compressed air or wipe with a clean rag moistened with an approved
cleaning solvent.
(b)
Visually inspect relay for corrosion, cracks, damaged threads or other evidence of damage.
(3)
Installation. Install in reverse order of removal procedure.
i.
Battery Charger.
(1)
Removal. Tag and disconnect electrical harness connector plug from battery charger. Remove four
screws and eight washers. Remove battery charger.
(2)
Cleaning and inspection.
(a)
Clean battery charger with dry filtered compressed air or a clean rag lightly moistened with an
approved cleaning solvent.
(b)
Visually inspect battery charger for corrosion, cracks, damaged threads, excessive heat, or other
evidence of damage.
(3)
Test. Disconnect leads from the positive and negative terminals on the battery charger and connect a
multimeter to the positive and negative terminals. Start the power unit as described in paragraph 2-14 and observe the
voltage output on the multimeter. Vary the output voltage of the charger by turning the voltage adjust screw, located
adjacent to the electrical connector. Turn the adjust screw clockwise to increase voltage output, counterclockwise to
decrease voltage output.
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